'Fluid mosaic' diaporamas de présentation

Chapter 3: Cells

Chapter 3: Cells. The smallest part of you. Lectures by Mark Manteuffel, St. Louis Community College. Learning Objectives. Describe what a cell is and the two general types of cells. Describe the structure and functions of cell membranes.

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Cell Membranes Chapt 5

Cell Membranes Chapt 5. www.cellsalive.com/. The Cell Membrane. Cell Membrane : . At Very High Magnification & in color. Membrane Structure. http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/C/CellMembranes.html. Cell Membrane.

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___

1. The plasma membrane is composed primarily of _____. A. phospholipids B. carbohydrates C. waxes D. nucleic acids. ___.

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Chapter 4 Cell Structure and Function

Chapter 4 Cell Structure and Function. Section 1: The History of Cell Biology. All living things are made up of one or more cells A cell is the smallest unit that can carry on all the processes of life. The Discovery of Cells. Robert Hooke

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Transport in Cells

Transport in Cells. Biology 30 ~ Cells Unit Mrs. S. Pipke-Painchaud. Cell Membrane. Cell Membrane Info: http://cellbio.utmb.edu/cellbio/membrane.htm. Cell Membrane. Fluid Mosaic Model Fluid: Phospholipids move at 2 micrometres per second Proteins move at a much slower rate Mosaic:

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THE CELL

THE CELL. Structure and Function. THE CELL: Structure and Function. Objectives Alabama Course of Study Alabama High School Graduation Exam Teacher/Text objectives Cellular basics The cell membrane Structure and function transport Organelle structure and function

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ACS Student Affiliates Food Drive Deadline: F Dec 10

ACS Student Affiliates Food Drive Deadline: F Dec 10. The ACS chemistry club will be accepting T-shirt design ideas until the end of the quarter. The winner receives a free T-shirt!. Chem/Biol 471 Students: Pick up a handout about next quarter. Review Sessions: M 3:30 pm BI 234

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PLASMA MEMBRANE

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Friday Quiz: 20 points over Chapter 7 and 8: Bring a scantron please

Glycolysis is a primary source of substrates that feed into the Citric Acid Cycle inside mitochondria! Oct 4 and 7. Friday Quiz: 20 points over Chapter 7 and 8: Bring a scantron please What is anabolism and catabolism? What makes ATP and NADH useful as metabolic intermediates?

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Solutions

Solutions. Solute. Solvent. DIFFUSION & OSMOSIS. DIFFUSION Diffusion animation. Diffusion is the net movement of particles from a region of higher concentration to a region of relatively lower concentration . No input of energy is required. DIFFUSION & OSMOSIS. OSMOSIS

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Membranes

Membranes. Cell membrane = Plasmalemma = Plasma membrane Surrounds cells and most organelles Forms a network of passages. Mitochondria, chloroplasts, and the nucleus all have a double membrane. Functions of plasmalemma. Keep cell contents together and separate from other cells

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Do Now 11/10

Do Now 11/10. Glycerol is a straight-chain carbohydrate with the formula C 3 H 8 O 3 . Draw its structure. The Cell Membrane (aka Plasma Membrane). Every cell has a membrane around it It protects the cell It allows nutrients to enter and wastes to leave

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The Structure of the Plasma Membrane

The Structure of the Plasma Membrane. Membrane Structure. The plasma membrane is 8 nm thick. It is mainly made up of phospholipids and proteins. Membrane Structure. carbohydrate. cholesterol c. protein. Phospholipid bilayer. Membrane phospholipids.

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Cell Membrane

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